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44 lines (34 loc) · 938 Bytes
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Lambda01.java
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44 lines (34 loc) · 938 Bytes
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/**
* Created by y3user on 28/10/15.
*/
interface volume {
double setVolume(double vol);
}
interface operator {
int operate(int a, int b);
}
public class Lambda01 {
public static void main(String[] args) {
Lambda01 object = new Lambda01();
volume vol = object::getVolume;
object.generateVolume(2.0d, vol);
//object method assignment
operator op = object::add;
//lambda
operator opminus = (a, b) -> a - b;
System.out.println(object.operate(2, 3, op));
System.out.println(object.operate(2, 3, opminus));
}
private int operate(int a, int b, operator op) {
return op.operate(a, b);
}
private void generateVolume(double a, volume vol) {
System.out.println(vol.setVolume(a));
}
private int add(int a, int b) {
return a + b;
}
private double getVolume(double d) {
return 2.0d;
}
}